Voice over Internet Protocol (VoIP), also called IP telephony, is a method and group of technologies for voice calls for the delivery of voice communication sessions over Internet Protocol (IP) networks, such as the Internet.
Mitel Networks Corporation is a Canadian telecommunications company. The company previously produced TDM PBX systems and applications, but after a change in ownership in 2001, now focuses almost entirely on Voice-over-IP (VoIP), unified communications, collaboration and contact center products. Mitel is headquartered in Ottawa, Ontario, Canada, with offices, partners and resellers worldwide.
Asterisk is a software implementation of a private branch exchange (PBX). In conjunction with suitable telephony hardware interfaces and network applications, Asterisk is used to establish and control telephone calls between telecommunication endpoints such as customary telephone sets, destinations on the public switched telephone network (PSTN) and devices or services on voice over Internet Protocol (VoIP) networks. Its name comes from the asterisk (*) symbol for a signal used in dual-tone multi-frequency (DTMF) dialing.
Broadvoice is a privately owned company headquartered in Northridge, California. They provide Voice over IP (VOIP) cloud-based telecommunications services to small, medium, and enterprise businesses in the United States. Broadvoice offers telephone services, unified communications as a service (UCaaS), SIP Trunking, telecommunications network and security, along with virtual call centers, so business customers can use voice and video communications via a broadband Internet connection or cellular phone.
The Orange brand in India, through a complicated set of mergers and divisions, was acquired and eventually retained by Orange S.A.; and currently operates as Orange Business Services India.
SipXecs is a free software enterprise communications system. It was initially developed by Pingtel Corporation in 2003 as a voice over IP telephony server located in Boston, MA. The server was later extended with additional collaboration capabilities as part of the SIPfoundry project. Since its extension, sipXecs now acts as a software implementation of the Session Initiation Protocol (SIP), making it a full IP-based communications system.
net2phone is a Cloud Communications provider offering cloud based telephony services to businesses worldwide. The company is a subsidiary of IDT Corporation.
Orange Business, the business services arm of Orange S.A., is a global integrator of communications, products, and services for multinational corporations.
Unified communications (UC) is a business and marketing concept describing the integration of enterprise communication services such as instant messaging (chat), presence information, voice, mobility features, audio, web & video conferencing, fixed-mobile convergence (FMC), desktop sharing, data sharing, call control and speech recognition with non-real-time communication services such as unified messaging. UC is not necessarily a single product, but a set of products that provides a consistent unified user interface and user experience across multiple devices and media types.
Overture Networks was a company that designed, manufactured, and marketed networking and telecommunications equipment. It was "a leading developer of converged packet access platforms for Carrier Ethernet services." Overture was headquartered in Research Triangle Park (RTP), North Carolina and also maintained offices in Westford, MA and Bangalore, India.
An IP PBX is a system that connects telephone extensions to the public switched telephone network (PSTN) and provides internal communication for a business. An IP PBX is a PBX system with IP connectivity and may provide additional audio, video, or instant messaging communication utilizing the TCP/IP protocol stack.
Speedflow is a privately held company that provides carrier telecommunications services and IP-based software products for telecom industry.
MegaPath was a business telecommunications company. In 2018, MegaPath was acquired by cloud service provider Fusion Connect for $71.5 million. Founded in 1996, it provides a voice, unified communications, internet access, Managed Security Services, and cloud computing services to carrier and service-provider businesses in the United States. The company was headquartered in Pleasanton, California.
Tyntec is a global application-to-person messaging operator, cloud communications provider, and a US Inter-Carrier Vendor incorporated in London, UK.
The FreePBX Distro is a freeware unified communications software system that consists of a graphical user interface (GUI) for configuring, controlling, and managing Asterisk PBX software. The FreePBX Distro includes packages that offer VoIP, PBX, Fax, IVR, voice-mail and email functions.
VOSS Solutions is a British-founded multinational provider of digital workplace management technology, headquartered in Garland, Texas, that provides automation management software.
AstraQomInternational is a multi-national holding company that serves the telecommunications sector. The company is a provider of VoIP services and integrated communication solutions.
Mistral Solutions Pvt. Ltd. is a privately held product design and systems engineering company with a focus on embedded domains. Founded in 1997 by Anees Ahmed and Rajeev Ramachandra, the Indian company was acquired by Axicades Technologies in December 2022.
Bicom Systems is a producer and vendor of Asterisk (PBX)-based unified communications devices for VoIP businesses. Bicom Systems uses open standards telephony. Products include all of the software and hardware components involved in building a VoIP business or ITSP.
Zadarma is a cloud communications company founded in 2006.
